Journal
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH
Volume 99, Issue 10, Pages 1171-1176Publisher
CARL HANSER VERLAG
DOI: 10.3139/146.101749
Keywords
Thin film technology; Laser modification; Li-ion battery; LiCoO(2); Magnetron sputtering
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Cathode material for Li-ion batteries can be synthesised by r.f. magnetron sputtering of LiCoO(2) targets in a pure Ar Plasma. This technique is Suitable for large-scale implementation in foil coating set-LIPS. By choosing the process parameters and by employing post heat treatment nanocrystalline. stoichiometrical LiCoO(2) films can be fabricated which exhibit the desired hi-fi temperature phase. The determination of the elementary composition is possible by optical emission spectroscopy including plasma stimulation and carrier gas temperature extraction. The proof of crystal Structure is carried out by X-ray diffraction and Raman spectroscopy. Heat treatment can be conventionally realised in a furnace or by laser impact. Willi regard to increasing the power density. the surface of the cathode material call be enhanced six-fold by laser-assisted Surface patterning,
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